2011

August:
Drawing a Line in the Tar Sands:
Why Stopping the Pipeline is Vital to the Future of Our Children & Our Planet:
Preentation at National Press Club in Washington, DC, on Aug. 29
+ Download PowerPoint (7 MB)

2009

October:
Global Warming Time Bomb: Actions Needed to Avert Disaster.
Slides and notes for presentation given Oct. 26 at the Club of Rome Global Assembly in Amsterdam, the Netherlands.
+ Download PDF (500 kB).

June:
Climate Threat to the Planet: The Path from Science to Action.
Slides for presentation given June 5 at Trinity International University in Deerfield, Ill.
+ Download PowerPoint (11.1 MB)

May:
Climate Threat to Creation: Implications for Intergenerational Equity and Justice.
Slides for presentation given May 3 at the 350 Climate Conference at Columbia University in New York City.
+ Download PowerPoint (9.3 MB)

August:
Re-Energize Iowa: An Opportunity to Lead the Nation in Stewardship of the Earth and Creation.
Short presentation at ReEnergize IA rally in Des Moines on Aug. 5.
+ Download PDF (160 kB)

June:
How Can We Avert Dangerous Climate Change?.
Non-peer-reviewed paper, based on testimony to the Select Committee on Energy Independence and Global Warming, U.S. House of Representatives, 26 April 2007, with some revisions and additions.
+ Go to article on arXiv.org

May:
Case for Vermont.
Slides for testimony given May 3 at United States District Court, District of Vermont in regard to Case No. 2:05-CV-302 and 2:05-CV-304, Green Mountain Chrysler v. Crombie.
This updates some charts from the written declaration originally posted Sep. 2006.
Note that the earlier file also includes short explanations for figures.
+ Download PDF (4.8 MB)
+ Download PowerPoint (10.1 MB)

May:
Global Warming: The Threat to the Planet.
Slides for Leo Szilard Lecture given Apr. 17 at the American Physical Society in Jacksonville.
+ Download PDF (4.0 MB)

April:
Dangerous Human-Made Interference with Climate.
Submitted text accompanying oral testimony given Apr. 26 at hearings on
"Dangerous Climate Change"
of the Select Committee on Energy Independence and Global Warming of the U.S. House of Representatives.
+ Download PDF (370 kB)

June:
The Case for Action by the State of California to Mitigate Climate Change
Expert report submitted to the United States District Court, Eastern District of California — Fresno in regard to Case No. 1:04-CV-06663 REC LJO, Automobile Manufacturers v. California Air Resources Board.
+ Download PDF (2.9 MB)

April:
Global Warming: Is There Still Time to Avoid Disastrous Human-Made Climate Change?
Discussion at National Academy of Sciences on April 23.
+ Download PDF (5.6 MB)

February:
Can We Still Avoid Dangerous Human-Made Climate Change?
Text and slides for presentation at Social Research Conference held Feb. 10 at the New School University in New York City.
+ Download PDF (3.6 MB)

2005

December:
Is There Still Time to Avoid "Dangerous Anthropogenic Interference" with Global Climate? A Tribute to Charles David Keeling.
Text and slides for presentation given Dec. 6 at the American Geophysical Union, San Francisco.
+ Download PDF (5.5 MB)

November:
On the Road to Climate Stability: The Parable of the Secretary
Draft of unsubmitted paper by Hansen et al. (Note: This replaces the longer "On the Road to Climate Stability: A-Team Report on Prospects for Halting the Growth of CO2 Emissions" posted a year ago.)
+ Download PDF (480 kB)

2004

October:
Dangerous Anthropogenic Interference: A Discussion of Humanity's Faustian Climate Bargain and the Payments Coming Due.
Presentation given at the Distinguished Public Lecture Series at the Department of Physics and Astronomy, University of Iowa, on Oct. 26.
+ Download PDF (4.3 MB)